YANKTON, SD 57078 Weather Forecast & Current Conditions

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YANKTON, SD
Current Weather

12:56 PM CDT JUL 18, 2026
Few Clouds
84°F
Feels Like: 87°F
Dewpoint: 68°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: NE at 9 mph
Pressure: 30.02 inches
Last 72 hours

Local Area Snow Depth

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YANKTON, SD 57078
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. A chance of sprinkles early. Highs in the mid 90s. Northeast winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. East winds 10 to 15 mph.
SUNDAY
Mostly sunny. Hot with highs in the upper 90s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
SUNDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 103 early in the evening.
MONDAY
Sunny, hot with highs around 102. Southwest winds 10 to 15 mph, becoming west in the afternoon.
MONDAY NIGHT
Mostly clear. Lows around 70. Heat index values in the upper 90s early in the evening.
TUESDAY
Mostly sunny. Not as warm with highs in the upper 80s.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
WEDNESDAY
Partly sunny. Highs in the lower 80s.
WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
THURSDAY
Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
FRIDAY
Mostly sunny. Highs in the upper 80s.

Visible Weather Satellite
YANKTON, SD 57078
Infrared Weather Satellite
YANKTON, SD 57078
NEXRAD Weather Radar
YANKTON, SD 57078

YANKTON, SD 3 hourly weather forecast

weather forecast created  5:00 AM PDT  7/18/2026
Saturday
18 JUL 2026
YANKTON, SD 57078 weather forecast Day 1, 12 hours 1 PM 88° 89° Partly Cloudy 2%

0% Thunder
( 11% severe)
ENE   10 45% 64°
High 93° YANKTON, SD 57078 weather forecast Day 1, 15 hours 4 PM 92° 91° Partly Cloudy ENE   10 33% 59°
Partly Cloudy



YANKTON, SD 57078 weather forecast Day 1, 18 hours 7 PM 91° 90° Clear 1%

0% Thunder
( 6% severe)
E   12 32% 57°
YANKTON, SD 57078 weather forecast Day 1, 21 hours 10 PM 80° 81° Clear E   13 51% 60°
Sunday
19 JUL 2026
YANKTON, SD 57078 weather forecast Day 2, 0 hours 1 AM 74° 74° Clear 4%

0% Thunder
( 7% severe)
E   9 69% 63°
Low 69° YANKTON, SD 57078 weather forecast Day 2, 3 hours 4 AM 70° 70° Partly Cloudy E   7 78% 63°
High 97° YANKTON, SD 57078 weather forecast Day 2, 6 hours 7 AM 69° 69° Mostly Cloudy 3%

0% Thunder
( 4% severe)
ESE   7 84% 64°

Partly Cloudy



YANKTON, SD 57078 weather forecast Day 2, 9 hours 10 AM 81° 83° Partly Cloudy SE   9 60% 66°
YANKTON, SD 57078 weather forecast Day 2, 12 hours 1 PM 91° 94° Partly Cloudy 5%

0% Thunder
( 17% severe)
SSE   9 44% 66°
YANKTON, SD 57078 weather forecast Day 2, 15 hours 4 PM 95° 98° Partly Cloudy SSE   9 39% 66°
YANKTON, SD 57078 weather forecast Day 2, 18 hours 7 PM 94° 97° Clear 8%

0% Thunder
( 19% severe)
SE   13 39% 65°
YANKTON, SD 57078 weather forecast Day 2, 21 hours 10 PM 86° 89° Clear SSE   14 53% 67°
Monday
20 JUL 2026
YANKTON, SD 57078 weather forecast Day 3, 0 hours 1 AM 82° 85° Clear 2%

0% Thunder
( 18% severe)
S   13 61% 67°
Low 77° YANKTON, SD 57078 weather forecast Day 3, 3 hours 4 AM 80° 82° Clear SSW   12 65% 67°
High 101° YANKTON, SD 57078 weather forecast Day 3, 6 hours 7 AM 78° 80° Partly Cloudy 1%

0% Thunder
( 9% severe)
SW   10 69% 67°

Partly Cloudy



YANKTON, SD 57078 weather forecast Day 3, 9 hours 10 AM 88° 92° Partly Cloudy WSW   12 52% 68°
YANKTON, SD 57078 weather forecast Day 3, 15 hours 1 PM 96° 98° Partly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 16% severe)
W   9 35% 64°
YANKTON, SD 57078 weather forecast Day 3, 18 hours 4 PM 97° 98° Partly Cloudy NW   12 32% 62°
YANKTON, SD 57078 weather forecast Day 3, 21 hours 7 PM 94° 94° Clear     N   14 32% 60°

YANKTON, SD extended weather forecast

Tuesday
21 JUL 2026
Wednesday
22 JUL 2026
Thursday
23 JUL 2026
Friday
24 JUL 2026
Saturday
25 JUL 2026
Low 64° Low 60° Low 64° Low 65° Low 66°
High 87° High 86° High 86° High 83° High 91°
YANKTON, SD 57078 weather forecast Day 4 YANKTON, SD 57078 weather forecast Day 5 YANKTON, SD 57078 weather forecast Day 6 YANKTON, SD 57078 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
9% Rain
Partly Cloudy
14% Rain
Mostly Cloudy
39% Rain
Mostly Cloudy
42% Rain
Partly Cloudy
20% Rain
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